Waste Water Engineering Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is? Pneumatic ejector Reciprocating pump Centrifugal pump None of these Pneumatic ejector Reciprocating pump Centrifugal pump None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Rate of flow of sewage is generally assumed Equal to the rate of water supply More than the rate of water supply Less than the rate of water supply At 150 litres per capita Equal to the rate of water supply More than the rate of water supply Less than the rate of water supply At 150 litres per capita ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 4.5 to 5.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 3.5 to 4.5 m/sec 4.5 to 5.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 3.5 to 4.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by Screening Sedimentation All listed here Oxidation Screening Sedimentation All listed here Oxidation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known None of these Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) None of these Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) ANSWER DOWNLOAD EXAMIANS APP
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